clock.cpp

《c＋＋大学教程》源码

// Fig. 7.28: clock.cpp
// Member-function definitions for class Clock.
#include <iostream>

using std::cout;
using std::endl;

#include "clock.h"  // Clock class definition

// constructor
Clock::Clock()             
   : time( 0 )  // initialize time to 0
{ 
   cout << "clock constructed" << endl; 

} // end Clock constructor

// destructor
Clock::~Clock()            
{ 
   cout << "clock destructed" << endl; 

} // end ~Clock destructor

// increment time by 1
void Clock::tick()         
{ 
   time++; 

} // end function tick

// return current time
int Clock::getTime() const 
{ 
   return time; 

} // end function getTime

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